Monkeybread Software - MBS FileMaker Plugin: GMImage.Unsharpmask

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GMImage.Unsharpmask

Replace image with a sharpened version of the original image using the unsharp mask algorithm.

Component	Version	macOS	Windows	Linux	Server	FileMaker iOS SDK
GraphicsMagick	2.0	Yes	Yes	Yes	Yes	Yes

MBS( "GMImage.Unsharpmask"; ImageRef; radius; sigma; amount; threshold ) More

Parameters

Parameter Description Example

ImageRef The image reference number. 1

radius the radius of the Gaussian, in pixels, not counting the center pixel. 3

sigma the standard deviation of the Gaussian, in pixels. 1

amount the percentage of the difference between the original and the blur image that is added back into the original. 50

threshold the threshold in pixels needed to apply the diffence amount. 3

Parameter	Description	Example
ImageRef	The image reference number.	1
radius	the radius of the Gaussian, in pixels, not counting the center pixel.	3
sigma	the standard deviation of the Gaussian, in pixels.	1
amount	the percentage of the difference between the original and the blur image that is added back into the original. 50
threshold	the threshold in pixels needed to apply the diffence amount.	3

Result

Returns "OK" on success.

Description

Replace image with a sharpened version of the original image using the unsharp mask algorithm.

Created 18th August 2014, last changed 18th August 2014

GMImage.Trim - GMImage.UnsharpmaskChannel

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